Ambient VOC, CO2, Temperature and Humidity transmitter





✅ Frequency band 868 MHz (for use mainly in EUROPE)
✅ Suitable for indoor use
✅ Meets government requirements for IAQ public places
✅ Compact Design
✅ Easy to deploy
✅ Freestanding or wall mounted
✅ Replaceable battery
✅ Up to 5 years autonomy


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Reference of the Ambient CO2, VOC, Temperature and Humidity transmitter


TX CO2 / VOC / T&H AMB 600-023


Applications of the transmitter


Specifically designed for indoor applications in an ambient environment, the Enless Wireless LoRa / LoRaWAN CO2, VOC, humidity and temperature transmitter allows you to monitor occupant comfort levels, thanks to its integrated sensors of CO2 (ppm), VOC (ppb), temperature (°C) and humidity (%rH).

The CO2 and the VOC contents are the main indicators of the air quality breathed by users.

CO2, VOC and air quality have a direct influence on the daily comfort of occupants in enclosed spaces, such as offices, and can trigger side effects like fatigue, drowsiness, headaches etc. The odourless carbon dioxide is caused by pollution, and of course from human breathing. Volatile organic compound particles can come from household products, paints, etc… The CO2 content is measured as a percentage of air volume or as “ppm” (part per million). Thus 1,000 ppm is equal to 0.1% of carbon dioxide in the air. The VOC content is measured as “ppb” (part per billion). Thus 1,000 ppb is equal to 0.01% of particles in the air.

Data from the sensor can be transmitted according to two radio protocols : the LoRa Enless Wireless private mode (proprietary) or the LoRaWAN mode (operated or private). To learn more about these communication protocols, see our dedicated LoRa LoRAWAN page.

Our temperature, humidity, VOC and CO2 transmitter is suitable for many applications and sectors:

  • Housing
  • Public access buildings such as public educational buildings (schools, colleges, high schools, higher education establishments, training centres, etc. ), cultural (museums, castles, sports complexes, libraries, showrooms, city halls, etc. ) and sanitation (health facilities, hospitals, retirement homes, EHPAD…)
  • Tertiary sector
  • Prevent the risk of COVID-19 transmission by monitoring indoor air quality level

Our product enables compliance with government, environmental and health laws and requirements for indoor air quality monitoring (IAQ), particularly in public buildings.

Our LoRa / LoRaWAN sensor can be fixed to a wall but also positioned on a surface. The frequency of sending information (periodicity) is configurable.

> Access to the article : ” VOC monitoring : environment, regulatory thresholds and responses ” <<


Technical Specifications


Frequency band 868 MHz (for use mainly in EUROPE)
DimensionsL 105 x H 95 x W 38 mm
Enclosure and IP ratingABS IP 40
Power supplyReplaceable D 3.6 V Lithium battery - Low battery alert
Battery autonomy 2 years battery life with 30 mn periodicity
Transmission interval > 30 mn by default
> Configurable from the receiver’s IP server in LoRa mode & via Downlink in LoRaWAN
Temperature sensor accuracy+/- 0,2°C
VOC range0 - 60 000 ppb (1 ppb = 4.5 μg/m3)
CO2 range0 - 5000 ppm
Humidity sensor resolution+/- 2% rH
Configuration / InstallationRadio


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